Cousins Island

County:: Cumberland County
County Seat:: No
Area (mi²):: 1.061
State:: Maine

Cousins Island is a CDP located in Cumberland County, Maine. Cousins Island has a 2025 population of 508. Cousins Island is currently growing at a rate of 0.4% annually but its population has decreased by -2.5% since the most recent census, which recorded a population of 521 in 2020.

The average household income in Cousins Island is $197,458 with a poverty rate of 0%.The median age in Cousins Island is 59.9 years: 62.1 years for males, and 59.5 years for females.

Demographics

The racial composition of Cousins Island includes 91.75% White, and smaller percentages for Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	467	91.75%
Two or more races	29	5.7%
Native American	13	2.55%

Cousins Island Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Cousins Island's average per capita income is $0. Household income levels show a median of $121,250. The poverty rate stands at 0%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Households	$121,250	$197,458
Families	-	$203,483
Married Families	-	-
Non Families	-	-

$0

Average Income

$121,250

Median Household Income

0%

Poverty Rate